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qemu/fpu

History

Peter Maydell f9288a76f1 softfloat: Add support for ties-away rounding IEEE754-2008 specifies a new rounding mode: "roundTiesToAway: the floating-point number nearest to the infinitely precise result shall be delivered; if the two nearest floating-point numbers bracketing an unrepresentable infinitely precise result are equally near, the one with larger magnitude shall be delivered." Implement this new mode (it is needed for ARM). The general principle is that the required code is exactly like the ties-to-even code, except that we do not need to do the "in case of exact tie clear LSB to round-to-even", because the rounding operation naturally causes the exact tie to round up in magnitude. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>		13 years ago
..
softfloat-macros.h	softfloat: Fix shift128Right for shift counts 64..127	13 years ago
softfloat-specialize.h	softfloat: implement fused multiply-add NaN propagation for MIPS	14 years ago
softfloat.c	softfloat: Add support for ties-away rounding	13 years ago